Blood volume measurement: The comparison of pulse dye densitometry and Dill and Costill's methods

  • Belin De Chantemèle E
  • Gauquelin-Koch G
  • Duvareille M
 et al. 
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Abstract

In many clinical situations, it is crucial to determine circulating blood volume (BV) easily and to repeat this measurement. The Dye DensitoGram Analyzer® (DDG, Nihon Kohden Corp) measures semi-automatically BV, using an injection of IndoCyanine Green (ICG, 10 mg), and avoiding intermittent blood samples. The DDG was used during a 90-day microgravity simulation by Head-Down-Tilt bed rest (HDT) to measure BV and compared with the calculation of the plasma volume (PV) variations according to Dill and Costill's formula (DC). Seventeen healthy volunteers were included: 8 control subjects (Co) and 9 subjects submitted to a resistive exercise counter-measure (CM). Measurements were performed, one day before HDT, on days 3 and 90 of HDT and on day 9 after HDT. A double measurement of the BV was performed to assess the repeatability of this method. On the last day of HDT a significant decrease (p < 0.05) in the PV was noted with the DDG (Co: - 12.3 ± 5.7%, CM: - 9.0 ± 5.3%) and DC; (Co: - 4.7 ± 1.8%, CM: - 6.8 ± 2.5%). A good repeatability of the technique was shown with a low intrasubjects coefficient of variation (4.95 ± 0.95%) and an acceptable intersubjects coefficient of variation (15.30 ± 1.13%). No correlation was noted between DDG and DC (r2= 0.27). The DDG gives a good repeatability, not affected by the microgravity exposure. Thanks to its capacity to measure accurately the BV within 7-10 min, this device presents major advantages for clinical use and research purpose. © 2005 Elsevier Inc. All rights reserved.

Author-supplied keywords

  • Blood volume
  • Dye DensitoGram Analyzer®
  • Indocyanine green
  • Microgravity simulation

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Authors

  • Eric Belin de ChantemeleUniversity of Georgia - Medical College of Georgia

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  • Guillemette Gauquelin-Koch

  • Monique Duvareille

  • Natacha Pellet

  • Claude Gharib

  • Marc Antoine Custaud

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